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W32.Downadup.E

Risk Level 2: Low

Discovered:
April 9, 2009
Updated:
April 13, 2009 9:03:35 PM
Also Known As:
WORM_DOWNAD.E [Trend]
Type:
Worm
Infection Length:
119,296 bytes
Systems Affected:
Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows Server 2003, Windows Vista, Windows XP
CVE References:
CVE-2008-4250
W32.Downadup.E is a worm that spreads by exploiting the Microsoft Windows Server Service RPC Handling Remote Code Execution Vulnerability (BID 31874). It also drops a copy of W32.Downadup.C.

Note: For more information, please see the following resource:
W32.Downadup

Antivirus Protection Dates

  • Initial Rapid Release version April 9, 2009 revision 009
  • Latest Rapid Release version September 28, 2010 revision 054
  • Initial Daily Certified version April 9, 2009 revision 009
  • Latest Daily Certified version September 28, 2010 revision 036
  • Initial Weekly Certified release date April 15, 2009
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Medium

Distribution

  • Distribution Level: Medium
  • Target of Infection: Spreads by exploiting the Microsoft Windows Server Service RPC Handling Remote Code Execution Vulnerability.
Writeup By: Kachun Leung, Yana Liu and Sean Kiernan

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